€¢ P-graded aluminum oxide abrasive provides increased life; fast cut rate; consistent finish €¢ Unique fiber reinforced backing is edge tear-resistant €¢ Water based separate; No-Fil® coating; open coat and vacuum holes minimize loading and maximize dust collection and life €¢ Good choice and value for coarse grit dry stripping; blending and sanding aluminum; fiberglass; composites; hard woods and soft woods; hook and loop back for easy disc mounting and changing €¢ Aluminum Oxide Abrasive €¢ Latex Paper Backing €¢ 5 inch diameter €¢ Coarse grade €¢ 60 grit €¢ 5 vacuum holes >> Produce quick; consistent work with the increased life and fast cut rates of P-graded aluminum oxide abrasive on the A290 coarse grit paper H&L vacuum disc. You get increased tear strength with flexibility on the fiber reinforced; latex saturated C-weight backing. Water based No-Fil® stearate coating on the open coat disc cuts down on loading and vacuum holes minimize dust in the work space. Suitable for aluminum; fiberglass; composite and wood projects; this disc tackles your dry stripping; blending and sanding tasks."